package com.example.usermanagement.config;


import com.zaxxer.hikari.HikariDataSource;
import lombok.extern.slf4j.Slf4j;
import java.util.concurrent.Executor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.web.client.RestTemplate;

import javax.sql.DataSource;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author yha
 * @ClassName
 * @description:TODO
 * @date 2024年09月10日
 * @version: 1.0.0
 */
@Slf4j
@Configuration
public class CoreConfiguration {

    @Bean(value = "asyncThread")
    public Executor threadPool(){
        log.info("start asyncServiceExecutor");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(5);
        //配置最大线程数
        executor.setMaxPoolSize(10);
        //配置队列大小
        executor.setQueueCapacity(20);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("namePrefix");

        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;

    }

    @ConfigurationProperties(prefix = "spring.datasource")
    @Primary
    @Bean
    public DataSource dataSource(DataSourceProperties properties){
        return DataSourceBuilder.create(properties.getClassLoader())
                .type(HikariDataSource.class)
                .driverClassName(properties.determineDriverClassName())
                .url(properties.getUrl())
                .username(properties.getUsername())
                .password(properties.getPassword())
                .build();
    }

    @Bean
    public RestTemplate restTemplate(){
        return new RestTemplate();
    }


}
